# Name: ...
# CSE 160
# Spring 2024
# Checkin 3


# Problem 1
'''
Write a function letter_count(str, letter) that returns the number 
of times letter appears in str. letter is case-sensitive.

Arguments:
    str: an String
    letter: a char

Returns: An integer representing the count of letter in str.

Examples:
letter_count("hi", 'h') returns 1
letter_count("festival", 'q') returns 0
letter_count("astronomy", 'o') returns 2
'''
# your solution code should start here

# Problem 2
'''
Write a function letter_multiply(num, letter) that returns a String containing
letter num many times. If num is a negative integer, return the String 
"invalid value for num".

Arguments:
    num: an integer
    letter: a char

Returns: A String made of num many repeats of letter.

Examples:
letter_multiply(7, 'b') returns "bbbbbbb"
letter_multiply(2, '&') returns "&&"
letter_multiply(0, 'a') returns ""
'''


# Problem 3
'''
Write a function glitchy_message(msg) that repeats each char in msg the number
of times it appears in msg originally. Make function calls to letter_count
and letter_multiply above instead of coding their funcationality from scratch.

Arguments:
    msg: an String

Returns: A String made of each char in msg repeating the number of times it appears
in msg.

Examples:
glitchy_message("letter") returns "leetttteer"
glitchy_message("banana") returns "baaannaaannaaa"
glitchy_message("paint") returns "paint"

'''
# your solution code should start here